Tree damage was found in Atlantic, Burlington, Cape May, Gloucester, Hunterdon, Monmouth, Ocean, Salem, Sussex and Warren counties. The most damage seen was in Mullica Township in Atlantic County, which had 344 acres of mostly moderate defoliation.

Gypsy moth caterpillars lay their eggs on trees and emerge in May and early June.

No spray program was needed this year due to the low population of bugs.